# Siren Maker vs Dynamic TMS

The clearest difference is ads: Dynamic TMS at none against Siren Maker's shown. Dynamic TMS also leads on update cadence (monthly vs every 51 months). Siren Maker's advantage is iOS requirement (12.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Siren Maker ships an update every 51 months, Dynamic TMS monthly. Both last shipped on October 4, 2026.

## The numbers

| Metric | Siren Maker | Dynamic TMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/siren-maker/id1318399111/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 51 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 57 MB | 67 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asaf Berko](https://appshunter.io/developer/826819740) | [BRONX TECHNOLOGY](https://appshunter.io/developer/1390421347) |

## What reviewers say

### Siren Maker

[App page](https://appshunter.io/ios/app/siren-maker/id1318399111)

Simulate the experience of playing as a police officer by activating siren sounds. This application allows users to feel like real law enforcement officers through its interactive siren feature.

**Highlights:** Siren sound simulation, Realistic police experience, Interactive siren activation

**Features:** macOS Compatibility

**In-app purchases:** none


### Dynamic TMS

[App page](https://appshunter.io/ios/app/dynamic-tms/id6741389272)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Siren Maker free?

Siren Maker is free to download, with no in-app purchases.

### Is Dynamic TMS free?

Dynamic TMS is free to download, with no in-app purchases.

### Do Siren Maker or Dynamic TMS have ads?

Siren Maker shows ads; Dynamic TMS does not.

### Which is updated more often, Siren Maker or Dynamic TMS?

Siren Maker ships an update every 51 months, and Dynamic TMS monthly. Most recently, Siren Maker was updated on October 4, 2026 and Dynamic TMS on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*